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Finding the Fourth Proportional to 295,513.30, 442,981.95 and 169,023.70

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Solution

The fourth proportional to 295,513.30, 442,981.95 and 169,023.70 is: 253,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,513.30 : 442,981.95 = 169,023.70 : x
  2. Step 2: Convert to fraction form
    295,513.30/442,981.95 = 169,023.70/x
  3. Step 3: Cross multiply
    295,513.30x = 442,981.95 × 169,023.70
  4. Step 4: Simplify right side
    295,513.30x = 74,874,448,222.22
  5. Step 5: Solve for x
    x = 74,874,448,222.22/295,513.30
  6. Step 6: Final answer
    x = 253,370.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.